"Doing one in" is an idiomatic expression that is commonly used in informal English. It refers to the act of causing harm, injury, or fatigue to someone, often due to overexertion or excessive physical or mental stress. The phrase can also suggest the act of defeating or overpowering someone, either physically or emotionally.
The term "doing one in" can be used in a variety of contexts. For instance, in a physical sense, it can describe pushing someone to the point of exhaustion or causing physical harm. In this context, it could refer to activities such as intense workouts, physically demanding sports, or laborious tasks that strain someone's energy levels.
On the other hand, "doing one in" can also have a metaphorical meaning, relating to emotional or mental drain. It can describe situations where a person's emotions or thoughts are overwhelming or exhausting them, such as dealing with a stressful job or a demanding relationship.
Overall, "doing one in" embodies the idea of pushing someone to their limits, whether it be physically, emotionally, or mentally. It suggests a state of exhaustion, defeat, or overwhelming pressure that takes a toll on an individual's well-being, ultimately inhibiting their ability to function optimally.
